84507052084 has 72 divisors (see below), whose sum is σ = 186375772800. Its totient is φ = 33231006144.

The previous prime is 84507052073. The next prime is 84507052121. The reversal of 84507052084 is 48025070548.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 84507052084.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326217 + ... + 524815.

It is an arithmetic number, because the mean of its divisors is an integer number (2588552400).

Almost surely, 2^84507052084 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84507052084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93187886400).

84507052084 is an abundant number, since it is smaller than the sum of its proper divisors (101868720716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84507052084 is a wasteful number, since it uses less digits than its factorization.

84507052084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198797 (or 198788 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 43.

The spelling of 84507052084 in words is "eighty-four billion, five hundred seven million, fifty-two thousand, eighty-four".